refactor(core): migrate to Bun and converge acquisition policies and Agent boundaries

packages/adapters/src/sites/challenge.ts

@@ -130,7 +130,7 @@ async function peekBody(
   res: Response,
   max: number,
 ): Promise<{ head: Uint8Array<ArrayBuffer>; complete: boolean; res: Response }> {
-  const reader = (res.body as ReadableStream<Uint8Array>).getReader();
+  const reader = (res.body as unknown as ReadableStream<Uint8Array>).getReader();
   const chunks: Uint8Array[] = [];
   let total = 0;
   let complete = false;